Why is my iPhone 6s battery draining so fast?

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Tags

1. #quick
2. #brightness
3. #sleep
4. #option
5. #turns
6. #turned
7. #drain
8. #other
9. #select
10. #before
11. #iphone
12. #never
13. #battery
14. #settings
15. #amount
16. #making
17. #leave
18. #display
19. #prevent